<?php
/**
 * Created by PhpStorm.
 * User: EDZ
 * Date: 2020/6/22
 * Time: 16:54
 */

namespace DesignPatterns\Behavioral\Strategy;


class OperationSubtract implements Strategy
{
    public function doOperation(int $num1, int $num2) {
        return $num1 - $num2;
    }
}